Al Hujurat, 2 Ayah
49:2
يَٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُواْ لَا تَرۡفَعُوٓاْ أَصۡوَٰتَكُمۡ فَوۡقَ صَوۡتِ ٱلنَّبِيِّ وَلَا تَجۡهَرُواْ لَهُۥ بِٱلۡقَوۡلِ كَجَهۡرِ بَعۡضِكُمۡ لِبَعۡضٍ أَن تَحۡبَطَ أَعۡمَٰلُكُمۡ وَأَنتُمۡ لَا تَشۡعُرُونَ ٢
Yā 'Ayyuhā Al-Ladhīna 'Āmanū Lā Tarfa`ū 'Aşwātakum Fawqa Şawti An-Nabīyi Wa Lā Tajharū Lahu Bil-Qawli Kajahri Ba`đikum Liba`đin 'An Taĥbaţa 'A`mālukum Wa 'Antum Lā Tash`urūna
O you who have believed, do not raise your voices above the voice of the Prophet or be loud to him in speech like the loudness of some of you to others, lest your deeds become worthless while you perceive not.